nodejs/monkey-patch-run-main.js at 9528f953360c34a75b3a89839e71884908c2fe6e - nodejs - Smart Yellow Git

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Joyee Cheung efce655c0f

module: reduce circular dependency of internal/modules/cjs/loader

Previously `internal/bootstrap/pre_execution.js` requires
`internal/modules/cjs/loader.js` which in turn requires
`internal/bootstrap/pre_execution.js`. This patch moves the
entry point execution logic out of `pre_execution.js` and
puts it into `internal/modules/run_main.js`. It also tests
that `Module.runMain` can be monkey-patched before further
deprecation/refactoring can be done.

Also added an internal assertion `hasLoadedAnyUserCJSModule`
for documentation purposes.

PR-URL: https://github.com/nodejs/node/pull/30349
Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

2019-11-19 13:43:59 +01:00

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JavaScript

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 'use strict';
 const oldRunMain = require('module').runMain;
 require('module').runMain = function(...args) {
   console.log('runMain is monkey patched!');
   oldRunMain(...args);
 };